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Finding the Fourth Proportional to 48,388.59, 66,785.72 and 27,166.59

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Solution

The fourth proportional to 48,388.59, 66,785.72 and 27,166.59 is: 37,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388.59 : 66,785.72 = 27,166.59 : x
  2. Step 2: Convert to fraction form
    48,388.59/66,785.72 = 27,166.59/x
  3. Step 3: Cross multiply
    48,388.59x = 66,785.72 × 27,166.59
  4. Step 4: Simplify right side
    48,388.59x = 1,814,340,137.26
  5. Step 5: Solve for x
    x = 1,814,340,137.26/48,388.59
  6. Step 6: Final answer
    x = 37,495.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.